CVE-2026-20634

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Summary

CVECVE-2026-20634
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-02-11 23:16:06 UTC
Updated2026-04-02 19:21:13 UTC
DescriptionThe issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted image may result in disclosure of process memory.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from ADP

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Problem Types: NVD-CWE-noinfo | Processing a maliciously crafted image may result in disclosure of process memory | CWE-noinfo Not enough information

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Ipados All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apple IOS And IPadOS affected 18.7.5 custom Not specified
CNA Apple IOS And IPadOS affected 26.3 custom Not specified
CNA Apple MacOS affected 14.8.4 custom Not specified
CNA Apple MacOS affected 15.7.4 custom Not specified
CNA Apple MacOS affected 26.3 custom Not specified
CNA Apple TvOS affected 26.3 custom Not specified
CNA Apple VisionOS affected 26.3 custom Not specified
CNA Apple WatchOS affected 26.3 custom Not specified

References

ReferenceSourceLinkTags
support.apple.com/en-us/126346 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/126350 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/126352 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/126349 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/126348 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/126353 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/126351 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/126347 [email protected] support.apple.com Release Notes, Vendor Advisory
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